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245 protocols using sas version 8

1

Analyzing Genotype-by-Environment Interactions

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The ANOVA was conducted using GLM procedure in SAS version 8.0 (SAS Institute Inc.), with the following model: yger = μ + αg + βe + (αβ)ge + γr(e) + εger, where yger was the phenotypic trait value of the gth genotype in the eth environment for the rth replicate, μ the grand mean, αg the genotypic effect of the gth genotype, βe the effect of the eth environment, (αβ)ge the interaction effect of the gth genotype and the eth environment, γr(e) the block effect within the eth environment, and εger the residual. All effects were modeled as random. The CORR procedure in SAS version 8.0 (SAS Institute Inc.) was used to calculate the Pearson’s correlation coefficients between traits of interest. The broad-sense heritability was calculated as: , where , and are estimates of the variances of genotype, genotype × environment interactions, and error, respectively. E is the number of environments, and R is the number of replications per environment.
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2

Thermal Stress Effects on Egg Development

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We analyzed the effects of treatments on the development rate and hatching rate of eggs using a generalized linear model (GLM) with GENMOD procedure in SAS Version 8 followed by planned contrasts based on least-square means to compare the levels of significant differences between treatments. We analyzed the effect of treatment and measuring time on CTmax of first-instar larva using two-way ANOVA and normally distributed errors using the GLM procedure, and the means were separated with Duncan's multiple range tests (P<0.05). To indicate how CTmax of first-instar larvae is linked to changes in degrees of the combination of heat stress and recovery, the relationship between CTmax and cumulative daily average temperature during the egg development was established through linear regression in SAS Version 8.
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3

Serum LH and FSH response to GnRH

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Data were log10 transformed to achieve homogeneity of variance and to increase linearity when appropriate [127 ]. Data were analyzed using Proc GLM with repeated measures (SAS, version 8, SAS Institute Inc., Cary, NC, USA). When log10 transformation failed to normalize data, non-parametric tests were performed (SAS, version 8, SAS Institute Inc., Cary, NC, USA). Paired t-tests were used to determine whether serum LH or FSH increased at 10 min after GnRH injection (0 min vs. 10 min for each animal). p-values of 0.05 or less were taken as significant and are all shown to two decimal places. Data were expressed as the mean ± SEM.
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4

Comparative Analysis of Treatment Effects

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Data were presented as means (±SE) of 3–6 biological replicates. Fisher’s LSD test was used to evaluate significant differences between treatments at P≤0.05. Statistical analyses were performed using SAS version 8.0 (SAS Institute Inc., Cary, NC, USA).
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5

ANOVA Analysis of Experimental Data

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The experimental data was subjected to Analysis of Variance (ANOVA) using SAS version 8.0 (SAS Institute Inc., Cary, NC, United States). ∗∗ or indicated significant difference between means at p < 0.01 or p < 0.05, respectively, by Student’s t-test.
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6

Comprehensive Statistical Analysis of Gene Expression and Meat Quality Traits

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The statistically significant difference for gene expression was performed using the unpaired sample t test and one-way analysis of variance (ANOVA) in SPSS 20.0. Here, p < 0.05 was considered to be statistically significant and the data are presented as the mean ± SEM (n = 3). Statistically significant differences for meat color (redness) value a* were assessed using the unpaired sample t test in SPSS 20.0. Here, p < 0.05 was considered to be statistically significant and data are presented as the mean ± SEM (n = 17 and 15). Correlation analysis between the expression of Prox1 and myoglobin, MyHC I, MyHC IIB, MyHC IIX, and phenotype traits was assessed in SPSS 20.0. Statistically significant differences for promoter activity were assessed using ANOVA with Duncan’s multiple range tests in SPSS 20.0. Here, p < 0.05 was considered to be statistically significant and data are presented as the mean ± SEM (n = 5). The association between the polymorphisms of the three selected SNPs (g. −930 bp, g. −1421 bp, g. −1573 bp) and carcass and meat quality traits was assessed using the general linear model (GLM) procedure in SAS version 8.0 (SAS Institute, Cary, NC, USA). The genotype, sex, and batch were used as fixed effects in the model, with carcass weight as a covariate.
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7

Multivariate Statistical Analysis of Biological Replicates

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Data were presented as the means of 3–6 biological replicates. Duncan’s multiple range tests were used to evaluate significant differences between treatments at P<0.05. Student’s two-sample t-test was also used for comparing the means of two independent samples. Statistical analyses were performed using SAS version 8.0 (SAS Institute Inc., Cary, NC, USA).
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8

Statistical Analysis of Categorical and Continuous Data

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All statistical analyses were performed using SAS version 8.0. Categorical variables are shown as frequencies with percentages; they were analyzed using the chi-squared test or Fisher’s exact test. Continuous data are shown as means ± standard deviations or medians (interquartile ranges); they were analyzed using independent-samples t-tests or the Mann–Whitney U test. P-values < 0.05 were considered statistically significant.
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9

Statistical Analysis of Experimental Findings

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All experiments were performed in triplicate, and all statistical analyses were performed using SAS version 8.0 software (SAS Institute, Inc.). Differences in mean values were considered significant when P < 0.05. The histogram was created using Microsoft Excel 2010 (Microsoft, Redmond, WA, USA).
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10

Statistical Analysis of Isolate Variance

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Data for the growth rate and RAUDPC of each isolate were subjected to statistical analysis of significant variance among replicates using SAS Version 8.0 (SAS Institute, Cary, NC, 1999). Treatment means for each of these parameters for the tested isolates were compared using the least-significant-difference test at P <0.05.
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